Re: [PATCH v4 0/2] mm: slub: Enhanced debugging in slub error

Vlastimil Babka
2025-02-27T16:12:43Z

On 2/26/25 09:11, Hyesoo Yu wrote:
> Dear Maintainer,
>
> The purpose is to improve the debugging capabilities of the slub allocator
> when a error occurs. The following improvements have been made:
>
> - Added WARN() calls at specific locations (slab_err, object_err) to detect
> errors effectively and to generate a crash dump if panic_on_warn is enabled.
>
> - Additionally, the error printing location in check_object has been adjusted to
> display the broken data before the restoration process. This improvement
> allows for a better understanding of how the data was corrupted.
>
> This series combines two patches that were discussed seperately in the links below.
> https://lore.kernel.org/linux-mm/20250120082908.4162780-1-hyesoo.yu@samsung.com/
> https://lore.kernel.org/linux-mm/20250120083023.4162932-1-hyesoo.yu@samsung.com/
>
> Thanks you.

Thanks. On top of things already mentioned, I added some kunit suppressions
in patch 2. Please check the result: